I would name it something like

--anon-proxy-abuse-complaints-see-www.somewebpage.com--.mydomain.com

www.somewebpage.com would explain what Tor is and how to block it, and provide contact info. The cops might raid me anyway, but at least they wouldn't show up thinking I'm the pedophile/drug dealer/terrorist they're looking for.

No, I didn't read the new EULA or even click the button to display it, precisely to avoid that sort of catch-22.

Every time I log in I get nagged to agree to their new terms of service but I never do it. My service has not been affected at all.

It's meaningless noise. Report the total number transactions and the number of problem transactions. Let either the buyer or the seller report a transaction as a problem that goes on both parties' records. Let them argue about it in public as long as they want.